- Thread starter arraf
- Start date

Is there a way to calculate t-test p value from average,sem and number of samples compared.

what you meen by that I have got standard deviation and SEM

The process basically factors variability out of the difference between the group means to see if there's still a real difference.

I have two groups which I'd like to compare I have lost raw data but I still have MEAN of each group and STANDARD DEVIATION (AND STANDARD ERROR as I know how maney samples I had in each group)